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Department Center for Endocrine Surgery
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon Yes
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus


Additional Locations

Specialties & Treatments

Treatment & Services

  • Adrenal Surgery
  • Advanced Laparoscopic Surgery
  • Endocrine Surgery
  • Endocrine Surgery - Thyroid And Parathyroid
  • Laparoscopic Adrenalectomy
  • Laparoscopic Radiofrequency Ablation Of Liver Tumors
  • Laparoscopic Solid Organ Surgery
  • Laparoscopic Surgery
  • Laparoscopic Thermal Ablation Of Liver Tumors
  • Laparoscopy
  • Liver Surgery
  • Minimally Invasive Surgery
  • Pancreatic Surgery
  • Paraganglioma Surgery
  • Parathyroid Surgery
  • Robotic Surgery for Adrenal
  • Robotic Surgery for Liver
  • Robotic Surgery for Parathyroid
  • Robotic Surgery for Thyroid
  • Surgery
  • Surgical Ultrasound
  • Thyroid Aspiration
  • Thyroid Ultrasound
  • Thyroid Ultrasound And Biopsy
  • Thyroidectomy
View all 25 Treatment & Services +

Specialty in Diseases & Conditions

  • Adrenal Cancer
  • Adrenal disorders
  • Adrenal Hyperplasia
  • Adrenal insufficiency
  • Adrenal Tumors
  • Adrenocortical Carcinoma
  • Beta-cell disorders
  • Calcium Disorders
  • Carcinoid Syndrome
  • Conn's Syndrome
  • Cushing's Syndrome
  • Endocrine Disorders
  • Familial Multiple Endocrine Neoplasia
  • Goiter
  • Hepatocellular Carcinoma
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperparathyroidism
  • Hyperthyroidism
  • Hypothyroidism
  • Liver Cancer
  • Metastatic Tumors Of The Liver
  • Pancreatic Cancer
  • Pancreatic Endocrine Tumors
  • Parathyroid Cancer
  • Parathyroid Disease Description
  • Pheochromocytoma
  • Primary Hyperaldosteronism
  • Secondary Hyperparathyroidism
  • Tertiary hyperparathyroidism
  • Thyroid Cancer
  • Thyroid Disease
  • Thyroid Glands
  • Thyroid Lesion
  • Thyroid Masses
  • Thyroid Nodule
  • Zollinger-Ellison Syndrome
View all 37 Specialties +


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About Allan Siperstein, MD

Allan Siperstein, MD, is Chair of Endocrine Surgery at Cleveland Clinic. He also serves as Program Director for the General Surgery Residency Program and Endocrine Surgery Fellowship.

Dr. Siperstein completed his medical school training at the University of Texas, Southwestern Medical School at Dallas, and his general surgery residency and endocrine surgery training at the University of California, San Francisco. From 1990 until 1999 he was a Faculty member in the Department of General Surgery at the University of California, San Francisco. Since then he has been a Staff member at Cleveland Clinic. In addition to endocrine surgery, he has had a long interest in minimally invasive surgery and surgical sonography. Since 1992, he has been teaching coursework in intraoperative and laparoscopic ultrasound techniques.

Current research interests include thyroid and parathyroid disease, in particular molecular markers for the identification of thyroid cancers. Clinical studies have focused on minimal incision approaches to thyroid and parathyroid surgery. He has had a long interest in the development of technologies for laparoscopic thermal ablation of hepatic tumors. Current studies continue to focus on technical advances in this area, as well as the impact of the procedure on long-term survival. He is a member of many surgical organizations, including the American Surgical Association, the American Association of Endocrine Surgeons and SAGES.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Residency - University of California San Francisco Medical Center
General Surgery
San Francisco, CA USA

Fellowship - University of California San Francisco Medical Center
Endocrine Surgery-Research
San Francisco, CA USA

Internship - University of California San Francisco Medical Center
General Surgery
San Francisco, CA USA

Medical Education - University of Texas Southwestern Medical School
Dallas, TX USA

Undergraduate - Stanford University
Biological Sciences
Stanford, CA USA


  • Surgery - General Surgery

Specialty Interests

adrenal disease, Adrenal disorders, Advanced Laparoscopic Surgery, Calcium Disorders, endocrine hypertension, endocrine surgery - thyroid and parathyroid diseases and surgery, endocrine surgery (thyroid and parathyroid), general and laparoscopic surgery, General Surgery, laparoscopic radiofrequency ablation of liver tumors, Laparoscopic Solid Organ Surgery, Laparoscopic Surgery, laparoscopic radiofrequency ablation of liver tumors, Laparoscopic Adrenalectomy, Laparoscopic Thermal Ablation Of Liver Tumors, Minimally Invasive Surgery, multiple endocrine neoplasia syndromes, parathyroid and calcium disorders, pancreatic endocrine tumors, thyroid, Thyroid Cancer, thyroid cancers, Thyroid cancers and Flushing Syndromes, Thyroid Disease, thyroid disorders, thyroid nodules

Awards & Honors

  • America's Top Doctors for Cancer 2011
  • Cleveland's Top Doctors, 2011

Innovations & Patents

  • Radiofrequency thermal ablation
Research & Publications

Research & Publications

See publications for Allan Siperstein, MD.

(Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 12/15/2021, Dr. Siperstein has reported no financial relationship with industry that is applicable to this listing. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Patient Satisfaction Reviews

161 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.9 out of 5
Explains 4.9
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

48 Patient Comments

Reviewed on Apr 18, 2022

Dr. Siperstein and his staff are wonderful! Courteous, caring, prompt and professional!

Reviewed on Apr 18, 2022

Dr Siperstein is the BEST! He has a great personality that makes you feel at ease in his presence. He is always willing to answer questions and never makes you feel less than! Very thorough and a great Physician!

Reviewed on Mar 28, 2022

Talia and Dr Siperstein were great as always!

Reviewed on Mar 16, 2022

Maureen in Dr Siperstein's office makes things easy.

Reviewed on Mar 7, 2022

Dr. Siperstein is a very knowledgeable and caring doctor.

Reviewed on Mar 7, 2022

The communication with Dr. Siperstein went very well. He answered all my questions and concerns.

Reviewed on Feb 16, 2022

Dr. Siperstein is always excellent. I have recommended him to everyone who needs his specialties.

Reviewed on Jan 26, 2022

Best doctor

Reviewed on Jan 19, 2022

Dr Siperstein is wonderful. He explains everything so well in terms I can always understand.

Reviewed on Jan 3, 2022

Dr. Siperstein is an absolutely exceptional specialist. His experience is evident in his diagnosis and explanation of thyroid problems. I would highly recommend him to anyone having thyroid or other endocrynology issues. I'm so thankful that I was able to be on his patient list because he is one in a million. Please give him a raise.Thank youCynthie Indovina

Reviewed on Jan 3, 2022

Dr Siperstein and his staff were excellent in all ways stated above!!

Reviewed on Dec 15, 2021

Dr. Siperstein was kind and professional. He answered all my questions and carefully explained my care plan. He made me feel respected and well cared for.

Reviewed on Dec 13, 2021

Dr Siperstein is such a amazing Dr.!He has wonderful bedside manners and cares about his patients,there need to be more Drs like him.

Reviewed on Dec 6, 2021

Dr. Sipperstein was outstanding.

Reviewed on Dec 1, 2021

Have enjoyed my medical relationship with the doctor and Maureen for a number of years.

Reviewed on Dec 1, 2021

Wouldn't go to any other physician

Reviewed on Nov 10, 2021

The doctor was personable and very thorough. He showed me my ultrasound and described what he saw in detail. I knew I was in good hands and it was an excellent visit.

Reviewed on Nov 10, 2021

Excellent communications with both Dr. Silverstein and his fabulous nurse Maureen. I cannot say enough about how impressed I am with both of them. I have told everyone how wonderful my experience was at the Cleveland Clinic and with my doc and especially is nurse. Thank you for the professionalism shown by everyone I encountered at the CC.

Reviewed on Nov 1, 2021

I have never had a bad experience at The Cleveland Clinic. Everyone, from the people in the parking garage through Dr. Siperstein himself have been terrific.

Reviewed on Oct 11, 2021

Dr Sip and Maureen are awesome to work with, I appreciate their professionalism and candor

Reviewed on Sep 22, 2021

Excellent ease of communication and quick response feedback with Maureen, Dr. Siperstein's assistant.

Reviewed on Sep 22, 2021

Dr. Siperstein gives great confidence of the care you are receiving. He is very personable and extremely knowledgeable of the condition I am being investigated for. I am very glad that I was able to get an appointment with him.

Reviewed on Sep 8, 2021

Dr Siperstein and his Nurse, Maureen did a wonderful job from start to finish!

Reviewed on Aug 25, 2021

Great physician

Reviewed on Aug 16, 2021

Dr Siperstine is THE best!

Reviewed on Aug 16, 2021

Dr Siperstein is wonderfulcaring and very good surgeon grateful for all he has done for me

Reviewed on Aug 9, 2021

I'll tell anyone that my doctor is the greatest in the world!!! And mean it. I was finally diagnosed with an I'd had for 4 to 5 years. Dr. Siperstein is going to change my life!!!

Reviewed on Aug 9, 2021

Thank you doctor for saving my life.

Reviewed on Jul 26, 2021

Beyond being an expert provider, Dr. Siperstein is personable, caring, and cordial.

Reviewed on Jul 19, 2021

Dr. Siperstein is caring, knowledgeable, and respectful. He carefully evaluates laboratory results and provides his opinion on a future course of action.

Reviewed on Jul 12, 2021

I am very grateful for Dr. Siperstein's knowledge and caring ways. Having him as my physician gives me great comfort.

Reviewed on Jul 12, 2021

Dr Siperstein is professional, caring and takes time in answering all questions. Feel very comfortable dealing with him.

Reviewed on Jul 7, 2021

Very helpful staff at the CC Main Campus.Dr. Siperstein, his Nurse, his Fellow and Resident were thoughtful, precise, kind and respectful, answering questions and doing procedures!

Reviewed on Jul 7, 2021

Dr. Siperstein was wonderful!!!!Very kind, thorough, gentle, upbeat, and made me feel confident about my upcoming surgery! He took his time explaining everything and put me at ease!I am actually looking forward to having my surgery!!

Reviewed on Jul 7, 2021

Everyone I encountered at the Cleve. Clinic raved about Dr. Siperstein and now so do I !!!

Reviewed on Jul 7, 2021

Dr.Siperstein put me at ease about my condition and answered all my questions. It is very scary to have a cancer diagnosis and he explained things in terms that I could understand.

Reviewed on Jul 7, 2021

Maureen Dr Sipersteins nurse is wonderful. Efficient in her response within my chart and very accommodating with rescheduling appointment.

Reviewed on Jul 7, 2021

If there were 10 stars I'd give Dr Siperstein a 10! He treats you as a patient, never rushed, cares a lot about making sure I understand what's going on and is friendly! It's a delight coming to see Dr Siperstein! Leave his office NEVER having to wonder about anything. Every Dr should take a course from him how to treat patients!

Reviewed on Jun 30, 2021

Dr. Siperstein answered all of my questions with care. He eased my worries.

Reviewed on Jun 14, 2021

Dr. Siperstein was great. He answered our questions and was very kind. Felt so much better about my diagnosis after speaking with him and getting a plan. I will definitely recommend him to others.

Reviewed on Jun 14, 2021

Dr Siperstein and his nurse, Maureen Bell, are absolutely positively the BEST.

Reviewed on Jun 14, 2021

I continue to recommend Dr Siperstein

Reviewed on Jun 7, 2021

Dr Sipperstein is a very caring specialist. Alwats positive in attitude. He gives the best care

Reviewed on May 26, 2021

Dr Siperstein is the constant professional. at once compassionate and intelligent, Dr Siperstein not only inspires excellence, he exudes a clear passion for his specialty that gives patients like me complete confidence.

Reviewed on May 24, 2021

The Best Experience Dr.Siperstein Keep me Informed Step By Step With the Next Plan of Action About My Health.

Reviewed on May 17, 2021

I waited abt a month to get my appt and 3 days (not counting the weekend) before I was informed of several tests I needed to have even before I saw the doctor.

Reviewed on May 17, 2021

Dr. Siperstein answered all my questions and explained my test results. He detailed my care plan and explained why additional testing was needed. He was kind and very professional. I felt reassured after talking to him.

Reviewed on Apr 28, 2021

Loved Dr. Siperstein

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